may fertilise
Regular verb: fertilise - fertilised- fertilised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fertilise
you may fertilise
he may fertilise
we may fertilise
you may fertilise
they may fertilise 	I may be fertilising
you may be fertilising
he may be fertilising
we may be fertilising
you may be fertilising
they may be fertilising	I may have fertilised
you may have fertilised
he may have fertilised
we may have fertilised
you may have fertilised
they may have fertilised	I may have been fertilising
you may have been fertilising
he may have been fertilising
we may have been fertilising
you may have been fertilising
they may have been fertilising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't fertilise
you mayn't fertilise
he mayn't fertilise
we mayn't fertilise
you mayn't fertilise
they mayn't fertilise 	I mayn't be fertilising
you mayn't be fertilising
he mayn't be fertilising
we mayn't be fertilising
you mayn't be fertilising
they mayn't be fertilising	I mayn't have fertilised
you mayn't have fertilised
he mayn't have fertilised
we mayn't have fertilised
you mayn't have fertilised
they mayn't have fertilised	I mayn't have been fertilising
you mayn't have been fertilising
he mayn't have been fertilising
we mayn't have been fertilising
you mayn't have been fertilising
they mayn't have been fertilising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I fertilise?
may you fertilise?
may he fertilise?
may we fertilise?
may you fertilise?
may they fertilise? 	may I be fertilising?
may you be fertilising?
may he be fertilising?
may we be fertilising?
may you be fertilising?
may they be fertilising? 	may I have fertilised?
may you have fertilised?
may he have fertilised?
may we have fertilised?
may you have fertilised?
may they have fertilised? 	may I have been fertilising?
may you have been fertilising?
may he have been fertilising?
may we have been fertilising?
may you have been fertilising?
may they have been fertilising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I fertilise?
mayn't you fertilise?
mayn't he fertilise?
mayn't we fertilise?
mayn't you fertilise?
mayn't they fertilise? 	mayn't I be fertilising?
mayn't you be fertilising?
mayn't he be fertilising?
mayn't we be fertilising?
mayn't you be fertilising?
mayn't they be fertilising? 	mayn't I have fertilised?
mayn't you have fertilised?
mayn't he have fertilised?
mayn't we have fertilised?
mayn't you have fertilised?
mayn't they have fertilised? 	mayn't I have been fertilising?
mayn't you have been fertilising?
mayn't he have been fertilising?
mayn't we have been fertilising?
mayn't you have been fertilising?
mayn't they have been fertilising?